Multioffice interlocked signaling telephone system



April 19, 1960 Filed May 21, 1959 LOCAL OFFICE J. G. PEARCE LMULTIOFFICE INTERLOCKED SIGNALING TELEPHONE SYSTEM LOCAL omce LONG LONGDISTANCE DISTANCE swncums svvncnms CENTER CENTER 7 9 LOCAL LOCAL omc:orncs LOCAL OFFICE INVENTORS JAMES e. PEARCE MATTHEW P. TUBINIS ATTORNEYApril 19, 1960 J. G. PEARCE El'AL 2,933,554

MULTIOFFICE INTERLOCKED SIGNALING TELEPHONE SYSTEM Filed May 21, 1959" r104 Sheets-Sheet 3 DIARECT CONTROL 26b CONTROL F1658 26d FIG.38

FIVE men STORE mes. 51-59 CONTROL "A" FIGS. so-sa CALLING TERuimA'rme'rms STORE TIME STORE FIGS. 4e-so FIGS. ss-n FIG.2B

I April 19, 1960 J. G. PEARCE ETAL 2,933,564

MULTIOFF ICE INTERLOCKED SIGNALING TELEPHONE SYSTEM Filed May 21, 1959 Vv 104 Sheets-Sheet 4 CONTROL mcomus CONNECT R REGISTER FIG. 3a

INCOMING TWO DIGIT p T REGISTER ALLOTTER I FIGS. 4|-42 CALLING TIMESTORE REGISTER FINDER FIGS. 43-44 April 19, 1960 J. G. PEARCE ETA!- 4MULTIOFFICB INTERLOCKED SIGNALING TELEPHONE SYSTEM Filed m 21, 1959 104Shee ts-Sheet s FIVE DIGIT STORE FTGS. 5l-59 CONTROL'B" FIGS. 72-79POSITION TIME STORE FIGS. 80-82 Apnl 19, 1960 J. G. PEARCE T 2,933,564

MULTIOFFICE INTERLOCKED SIGNALING TELEPHONE SYSTEM Filed May 21, 1959 I104 Sheets-Sheet e r RRSI RELEASE 5 l SCANNER fl CONTROL I N Icouuzc'ron l RTSI RING TRIP SCANNER N I i 340 g l I 57 v ROUTE ssusc'roncmcurr R I1B\ FIGS. 89-"0 RELEASE RRC DETECTOR RM .J

RTB RING TRIP L DETECTOR TR LINK ALLOTTER FIGS. Ill-H3 April 19, 1960 J.G. PEARCE ETQL 2,933,564

NULTIOFFICE INTERLOCKED SIGNALING TELEPHONE SYSTEM Filed lay 21, 1959104 Sheets-Sheet 7 LINK CONNECTOR CALL FINDER FIGS. ll4-H6 FIG. I25

POSITION COUPLING CIRCUIT FIGJZQ LINK CIRCUIT FIGS-H7423 April 19, 1960J. G. PEARCE EI'AL 2,933,564

MULTIOFFICE INTERLOCKED SIGNALING TELEPHONESYSTEM Filed May 21, 1959 AUAFIG. 3A

104 Sheets-Sheet 8 AUQIO AMPLIFIER-AUA AUI AMPLIFIER-AUE 3 F c E AUDIOAMPLIFIER-AUG FIG.5B

VBLOCKING OSCILLATOR GATE- BOG BOG April 19, 1960 J. G. PEARCE ETA!-2,933,564

MULTIOFFICE INTERLOCKED sxcmuuc TELEPHONE SYSTEM Filed May 21, 1959 104Sheets-Sheet s CONVERTER CV8 CVB "b BooA FIG.7A

EMITTER FOLLOWER-EFC EMITTER FOLLOWER-EFD EFC '1 E FD n B B B A B FIG.8AFIG.8B FIG.9A FIG.9B EHITTER FOLLOWER- EFE EMITTER FOLLOWER EFE EFJFIGJOA FIGJQB FIGJIA FIGJIB FLlP-FL|P- FIA mo PU ma 7 FIGJZA FIGJZBFLIP-FLOP-FOA FOA FIGJSA FIG-I38 April 19, 1960 ,J. G. PEARCE T2,933,564

MULTIOFFICE INTERLOCKED SIGNALING TELEPHONE SYSTEM MONOSTABLEMULTIVIBRATOR "AA 3 i IOO MS vFIG.28A FIG.28B

HOLDOVER cmcun man HOLD mun v NEGATIVE A 8 B HOLDING OVER PULSES +12-+|2 F|G.29A F|G.29B

HIGH SPEED AMPLIFIER- PUH F|G.3OA r-"leaoe men SPEED AMPLIFIER-PWFIG.3IA I FIG.3IB

" April 19, 1960 Filed llay 21, 1959 TIME POSITION 8 HIGHWAY ASSIGNMENTJ. G. PEARCE EI'AL HULTIOFFICE INTERLOCKED SIGNALING TELEPHONE SYSTEM104 Sheets-Sheet 14 memms TIME 7 SLOT a '2 a -4 s 6 Ho LOCAL TRKS. LOCALmxs. LOCAL 'mxs; LOCAL TRKS. L00 'rnxs. LocAi. TRKS.

l-IO u-zo 21-30 I 31-40 4l-50 51-60 senvncs uue ssavncs uu: sameunssenwc: LINE 0| 7 0g D5 04 SPARE SPARE was L.D. TRKS. L.D. TRKS. L.D.TRKS. L.D. TRKS. |..0. TRKS. L.D. TRKS.

l-l7 l8-34 ass-5| 52-00 69-85 es-loo 29 ai 12A. u. T.A. u. T.A. N mmmqmmaa-a TRK.GRR-4 TRK.GRR-5 'rapmene -s mmne-v TAPE u. BusY MARK BUSYMARK Noumea Taxman-9 SPARE ssnwcc unzs 1.00m. TRKS.

'rmsm -av 3| uuAsslsuso 32 TEST April 19, 1960 J. G. PEARCE ETAL 2,

MULTIOFFICE INTERLOCKED SIGNALING TELEPHONE SYSTEM Filed May 21, 1959104 Sheets-Sheet l6 TO naesa LINK ccTs. 3922 I I 5 TO CONTROL szuzs I oCONNECTOR AC-SD SIGNAL T FOR SEIZE 0:1: DETECTOR INA BT-TO REGS.,RT.,SEL.& LINK CCTS.

FIG. 39 3908 3904 SEIZE DETECTOR TO CONTROL CONNECTOR (7, CONTROLCIRCUIT FOR SEIZE D April 1960 J. G. PEARCE ETA!- 2,933,564

MULTIOFF'ICE INTERLOCKED SIGNALING TELEPHONE SYSTEM Filed May 21, 1959 I104 Sheets-Sheet 17 TO INC. REG. T0 0.0. REG. TO SLOT TO CONTROLALLOTTER ALLOTTER PULSE REGEN. CONN. FOR CIRCUIT SEIZE DET- TO INC. REG.IRCD ALLOTTER 1 T0 0.0. REG. onco ALLOTTER 1 z' v 9 Ill 3 D a.

X ILI a J 3 4022 40m EFE FIG.4O P .e SEIZE DETECTOR A 8 1r CONTROLCIRCUIT April 19, 1960 J, PEARCE EI'AL 2,933,564

MULTIOFFICE INTERLOCKED SIGNALING TELEPHONE SYSTEM Filed May 21, 1959104 Sheets-Sheet 18 TO mc. FROM scmmsn GENERATOR TOINC. REGJ A REG.N

STAGE N MANUAL RESET I DDREGJ DDREG.N

TO SEIZE DETECTOR FlG.4l CONTROL CIRCUIT REGISTER ALLOTTER April 19,1960 J. G. PEARCE ETAL MULTIOFFICE INTERLOCKED SIGNALING TELEPHONESYSTEM Filed May 21, 1959 104 Sheets-Sheet 19 Y F INPUT BLOCK car. I 166A GJF INA sun INA TO ROUTE SELECTOR FIG.42

REGISTER ALLOTTER 4207\ 42mg 5 c GGA 4202 BABABA 5 AB A B GGA 0 D FIA IE 4215 42" H A FIA GGAB 6 April 19, 1960 J. G. PEARCE ETA!- vMULTIOFFICE INTERLOCKED SIGNALING TELEPHONE SYSTEM Filed Nay 21., 1959104 Sheets-Sheet 20 TO SCANNER GENERATOR REGISTER FINDER I I I I I l I II I I I I l i l I I I l I I I I I I I i r- I B I I 4302 I I I I I I I II g I STAGE u I I uIAuuAI. I I I I A RESET I I I I I I I 4309 I I I B Il I GGA i I l I B I I I I GJF 66A I I I 43IO I B I l I I 4306 INA I I II I I I ALARM I I I I a c I l I I IJPBZ J I T0 To REGISTER I REGISTER NFIG.43

